Stocks in the Spotlight Wednesday

Staples, MetroPCS and SodaStream fell. GenOn rose.

Shares of the office-supplies retailer tumbled 8.4% on news of a disappointing fourth quarter. Writing in Barron's Take, Teresa Rivas noted, "Although Staples has struggled throughout the recession, it is diversifying its business. This improved position should allow the stock to quickly leverage any economic and employment...